以下为句子列表：
英文: By designing the circuit structure of preamplifier and selecting new elements such as ultra low noise operational amplifier and linear opto-coupler,some difficulties in EEG acquisition is overcome and the Common Mode Rejection Ratio(CMRR) of preamplifier
中文: 通过对前置放大器等电路结构的精心设计,选用超低噪声的集成运算放大器以及线性光耦合器等新器件,克服了脑电信号采集中经常遇到的一些困难,使前置放大器具有较高的共模抑制比,从而能够较好地放大检测出所需的脑电信号。
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英文: The preamplifier will drive a low impedance load without alteration in the signal, in fact it can be used as a current source driving a 0 impedance mixer junction without any distortion.
中文: 这个前级放大器能够驱动一个低阻抗的负载而不会引起信号的变化，实际上它可以用作一个驱动零阻抗混合节点，而又不产生任何失真的电流源。
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英文: There are various kinds of the self-oscillations in the preamplifier system of the high power laser facility, the origins of them were analyzed in theory.
中文: 摘要分析了高功率激光装置预放大系统内外各种自激振荡的来源，通过理论计算和实验验证提出了各种自激振荡的抑制方法，并在实践中得到验证。
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英文: THE DEVELOPMENT OF PREAMPLIFIER OF VENTRICULAR LATE POTENTIALS
中文: 心室晚电位检测仪前置放大电路的研制
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